Letter from Russell H Chittenden and Graham Lusk to P Sheldon Informs Sheldon that they have been told that filling the Allies' demand for wheat would reduce American bread consumption from five to 2.8 bushels per head per year -- notes that 'it is manifestly impossible to continue this drain on the resources of the United States' -- suggests that pork products be shipped instead and calculates their nutritive value. 5 March 1918